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Dev.to
7/20/2026
I gave my AI agent the ability to send email

I gave my AI agent the ability to send email

Short summary

The author wired Claude to email infrastructure using MCP (Model Context Protocol), enabling the agent to check domain status, send emails, and read delivery events directly from chat. Setup takes one command for Claude or a JSON snippet for Cursor. Key lessons: approval steps matter for send-capable tools, agents over-call tools on vague prompts, and hosted MCP servers reuse existing API auth and rate limits.

  • •MCP lets AI agents call external tools via JSON-RPC — setup takes one command
  • •Hosted MCP servers reuse existing API auth, rate limits, and validation
  • •Approval steps are critical for send-capable tools; agents need tight tool descriptions

Generated with AI, which can make mistakes.

#ai-tools#ai-agents#open-source
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